TY  - RPRT
TI  - Handwritten digit recognition using two-layer self-organizing maps.
AU  - J Wu
AU  - H Yan
AU  - A Chalmers
PY  - 1994
DO  - 10.1142/s0129065794000347
UR  - https://pubmed.ncbi.nlm.nih.gov/7711966/
ID  - 7711966
ER  -